Where are my swans, whooping cranes, and singing loons?

Description:

Describes the lifestyle and habitat of the swan, whooping crane, and loon; how the destruction of wetlands threatens their survival; and what we can do to save the animals.

subjects: Juvenile literature,  Whooping crane,  Wetland animals,  Loons,  Wildlife conservation,  Rare animals,  Trumpeter swan,  Endangered species,  Swans

Places: United States